Home / 50,625.84-75,731.40-42,331.44

Finding the Fourth Proportional to 50,625.84, 75,731.40 and 42,331.44

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Solution

The fourth proportional to 50,625.84, 75,731.40 and 42,331.44 is: 63,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,625.84 : 75,731.40 = 42,331.44 : x
  2. Step 2: Convert to fraction form
    50,625.84/75,731.40 = 42,331.44/x
  3. Step 3: Cross multiply
    50,625.84x = 75,731.40 × 42,331.44
  4. Step 4: Simplify right side
    50,625.84x = 3,205,819,215.22
  5. Step 5: Solve for x
    x = 3,205,819,215.22/50,625.84
  6. Step 6: Final answer
    x = 63,323.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.